# Comment/uncomment the following line to disable/enable debugging
#DEBUG = y


# Add your debugging flag (or not) to CFLAGS
ifeq ($(DEBUG),y)
  DEBFLAGS = -O -g -DDEBUG -D_DBGS_ # "-O" is needed to expand inlines
  DEBFLAGS += -DUSE_TIMER_TEST
else
  DEBFLAGS = -O2
endif

DOOB_LINUX := $(strip $(DOOB_ROOT)/../sys/kernel/linux-2.6.22-ak4)

CFLAGS += $(DEBFLAGS) 
CFLAGS += -I.. -I../reader/ -I$(DOOB_LINUX)/drivers/serial
CFLAGS += -DTEST_TRANSFER_ERRORS_PERC

# CFLAGS += -DUSE_SINGLE_RX_DMA_BUF
# CFLAGS += -DUSE_MULTIDROP_TO_MAKE_FRAME

CFLAGS += -DUSE_TIMEOUT_TO_MAKE_FRAME

ifneq ($(KERNELRELEASE),)
# call from kernel build system
fnet-objs = fntnet.o rs485_bus.o
obj-m	= fnet.o

else

# KERNELDIR ?= /lib/modules/$(shell uname -r)/build
KERNELDIR = $(DOOB_ROOT)/../sys/kernel/linux-2.6.22-ak4 
PWD       := $(shell pwd)

default:
	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules V=1 ARCH=arm CROSS_COMPILE="arm-none-linux-gnueabi-"

endif


clean:
	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions

depend .depend dep:
	$(CC) $(CFLAGS) -M *.c > .depend


ifeq (.depend,$(wildcard .depend))
include .depend
endif
